-
公开(公告)号：US1902752A
公开(公告)日：1933-03-21
申请号：US62995732
申请日：1932-08-22
Applicant: CARL BAUMGARTEL
Inventor： CARL BAUMGARTEL
IPC: D04B15/70
CPC classification number: D04B15/70
Search Results
1
records
(took 0.006 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
